Help Center> MapReduce Service> Developer Guide (LTS)> HetuEngine Development Guide (Normal Mode)> Application Development> Typical Application Scenario

Updated on 2022-07-11 GMT+08:00

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Typical Application Scenario

You can quickly learn and master the HetuEngine development process and know key interface functions in a typical application scenario.

Scenario

Assume that a user develops an application and needs to perform the join operation on table A of the Hive data source and table B of the MPPDB data source. In this case, HetuEngine can be used to implement data query of the Hive data source, the process is as follows:

Connect to a HetuEngine JDBC server.
Assemble SQL statements.
Execute SQL statements.
Parse the returned result.
Disconnect HetuEngine JDBC server.

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